WO2007101571A1 - Alliage de laiton et bague de synchronisation - Google Patents

Alliage de laiton et bague de synchronisation Download PDF

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Publication number
WO2007101571A1
WO2007101571A1 PCT/EP2007/001614 EP2007001614W WO2007101571A1 WO 2007101571 A1 WO2007101571 A1 WO 2007101571A1 EP 2007001614 W EP2007001614 W EP 2007001614W WO 2007101571 A1 WO2007101571 A1 WO 2007101571A1
Authority
WO
WIPO (PCT)
Prior art keywords
brass alloy
weight
alloy
synchronizer ring
wear resistance
Prior art date
Application number
PCT/EP2007/001614
Other languages
German (de)
English (en)
Inventor
Meinrad Holderied
Norbert Gaag
Original Assignee
Diehl Metall Stiftung & Co. Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Diehl Metall Stiftung & Co. Kg filed Critical Diehl Metall Stiftung & Co. Kg
Priority to EP07722926A priority Critical patent/EP1989337B1/fr
Priority to BRPI0708372-6A priority patent/BRPI0708372A2/pt
Priority to AT07722926T priority patent/ATE516378T1/de
Priority to KR1020087022784A priority patent/KR101361018B1/ko
Priority to JP2008556695A priority patent/JP2009528446A/ja
Publication of WO2007101571A1 publication Critical patent/WO2007101571A1/fr
Priority to US12/186,675 priority patent/US20080283353A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/02—Arrangements for synchronisation, also for power-operated clutches
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C22C9/04—Alloys based on copper with zinc as the next major constituent
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/02—Arrangements for synchronisation, also for power-operated clutches
    • F16D23/025—Synchro rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0004—Materials; Production methods therefor metallic
    • F16D2200/0026—Non-ferro

Definitions

  • the invention relates to a wear-resistant brass alloy and to a synchronizer ring made therefrom.
  • the synchronizer rings are subject to increased wear due to the high friction load. The same applies to automatically connected gearboxes where high switching forces are used.
  • Synchronizer rings are preferably manufactured from a brass alloy.
  • a wear-resistant brass alloy for a synchronizer ring is known, for example, from DE 37 35 783 C1.
  • the first object is achieved according to the invention by a brass alloy comprising 55-68% by weight of copper, 0-6% by weight of aluminum, 2-14% by weight of manganese, 0.5-3% by weight of phosphorus, 0- 1 wt .-% lead, unavoidable impurities and the remainder zinc.
  • Brass alloy suitable to withstand higher loads in a transmission as a synchronizer ring Comparable brass alloys of the prior art used for synchronizer rings have wear resistances between 400 and 600 km / g for similar hardness values.
  • the specified brass alloy has a high wear resistance even under the often used in transmissions due to the increased stress highly-additive transmission oils. Namely, additives contained in gear oils can affect the wear resistance of the synchronizer ring used
  • a synchronizer ring can be made from the specified brass alloy in a known manner by casting, extrusion and forging and optionally afterglow.
  • Lead may be contained or incorporated in a proportion of 1% by weight without interfering influence to improve the machinability.
  • brasses from a recycling return can be used to produce the brass alloy.
  • the formation of a viscous melt is a hindrance. Likewise, an increased slag formation is to be avoided, since this must be laboriously removed. It has been found that the toughness of the melt and slag formation can be reduced if aluminum is added to the brass alloy or if a low proportion of phosphorus is more likely to be present. In this case, a higher phosphorus content can be compensated by a higher content of aluminum.
  • the brass alloy advantageously comprises 3-6% by weight of aluminum, 8-14% by weight of manganese and 1.5- 3% by weight of phosphorus.
  • the brass alloy advantageously comprises 59-64% by weight of copper, 3-4% by weight of aluminum, 9-11% by weight of manganese and 1,9- 2, 5% by weight phosphorus.
  • the proportion of the ⁇ phase of the copper-zinc mixture in the microstructure is between 40 and 50%.
  • the copper and zinc atoms are distributed according to a cesium-chloride structure on the lattice sites of a cubic body-centered lattice.
  • the area fraction of the intermetallic phases in the microstructure is between 11% and 17%.
  • the intermetallic phases e.g. Manganese phosphides are embedded in a matrix of the copper-zinc alloy.
  • the brass alloy shows an advantageous wear resistance when the intermetallic phases in the structure predominantly have a stretched, elongated shape.
  • the second object with regard to a synchronizer ring is achieved according to the invention by a synchronizer ring consisting of a brass alloy containing 55-68% by weight of copper, 0-6% by weight of aluminum, 2-14% by weight of manganese, 0.5% - 3 wt .-% phosphorus, 0 - 1 wt .-% lead, unavoidable impurities and the remainder comprises zinc.
  • the synchronizer ring is - as already mentioned - made of the brass alloy by casting, extrusion, forging and optionally afterglow.
  • Fig. 2 shows a synchronizer ring for a mechanical transmission.
  • a total of four experimental alloys of different composition were produced.
  • the production of a synchronizer ring was simulated.
  • the individual alloy components were melted with the desired proportions and poured the resulting melt at a temperature between 1.020 and 1.060 0 C with a diameter of 35 mm in sand.
  • the casting was turned to a diameter of 24 mm.
  • extrusion molding was simulated by hot deformation of the turned casting from a diameter of 24 mm to a diameter of 12 mm at a temperature between 700 and 750 ° C.
  • the forging of the synchronizer ring was simulated by compressing produced from the pretreated casting 2 cm high cylinders to 1 cm at a temperature of about 750 0 C. Finally, the compressed cylinders were annealed at a temperature of 275 ° C for five hours.
  • the hardness of the test alloys determined according to DIN EN ISO 6506 can be found in Table 2.
  • the hardness values correspond to the hardness values of comparable brass alloys already used for synchronizer rings.
  • Example 1 In a first experiment, the wear resistance of the trial alloys was investigated with the simultaneous use of two gear oils.
  • the gear oil used was a synthetic oil of the viscosity class SAE75 of the classification API GL4 (oil 1) and a synthetic oil of the viscosity class SAE75W85 of the classification API GL4 (oil 2).
  • the GL classes indicate the field of application.
  • Gear oils class GL4 and GL5 are common for example for motor vehicles.
  • the designations SAExx - Wyy characterize the viscosity class of gear oils.
  • the wear resistance of the trial alloys was determined in each case in km / g in a Reichert wear scale with a sliding speed of 1.6 m / sec and a load of 52 N / mm 2 after a total run of 2.500 m.
  • a brass pin of the respective experimental alloy with a diameter of 2.7 mm is pressed with the specified load on a rotating steel ring.
  • the respective gear oil was applied to the steel ring.
  • the measurements were carried out in each case at an oil temperature of 90 0 C.
  • the wear resistance of the comparative alloy was determined in the same way as that of the trial alloys.
  • Table 3 shows the determined values of the respective wear resistance of the experimental alloys in% of the determined wear resistance of the comparative alloy.
  • test alloys have a significantly increased wear resistance when measured with gear oils compared with a known wear-resistant reference alloy. This advantageous property is ensured by the specified features of the described brass alloy.
  • Example 1 the wear resistance of the trial alloy 3, as indicated in Example 1, is investigated for further gear oils. Also, the wear resistance for the comparative alloy mentioned in Example 1 is determined using these transmission oils.
  • the determined wear resistances of the experimental alloy 3 are shown in% relative to the respectively determined wear resistance of the comparative alloy respectively for the different oils.
  • the percentage wear resistance is plotted along the Y-axis.
  • the different oils are arranged along the X-axis.
  • Wear resistance is characterized by the 100% line. It can be clearly seen that the experimental alloy 3 has a significantly increased wear resistance in all the gear oils investigated compared to the comparative alloy.
  • the specified brass alloy can thus be used in particular for the high loads of a synchronizer ring in a transmission, as they arise in reality.
  • a synchronizer ring 10 is shown, which is made by forging of a given brass alloy.
  • teeth 12 are mounted, which during the
  • Synchronizing between the gear and the gear shaft of a transmission with a sliding sleeve are in operative connection.
  • On the inner circumference 13 of the synchronizer ring 10 is a conical friction surface 14, which comes during the switching operation with a conical counter surface of the gear wheel in contact. Due to the friction of the friction partners whose relative speed is reduced to each other, which finally takes place synchronization.
  • the sliding sleeve can slide through the teeth 12 of the synchronizer ring 10, whereby a positive connection between the drive and the output shaft of the transmission is made.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

L'invention concerne un alliage de laiton résistant à l'usure et une bague de synchronisation (10) fabriquée à partir de cet alliage. L'alliage de laiton comprend de 55 à 68 % en poids de cuivre, de 0 à 6 % en poids d'aluminium, de 2 à 14 % en poids de manganèse, de 0,5 à 3 % en poids de phosphore, de 0 à 1 % en poids de plomb et d'inévitables impuretés, le reste étant du zinc.
PCT/EP2007/001614 2006-03-01 2007-02-24 Alliage de laiton et bague de synchronisation WO2007101571A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP07722926A EP1989337B1 (fr) 2006-03-01 2007-02-24 Alliage de laiton et bague de synchronisation
BRPI0708372-6A BRPI0708372A2 (pt) 2006-03-01 2007-02-24 liga de latão e anel de sincronismo
AT07722926T ATE516378T1 (de) 2006-03-01 2007-02-24 Messinglegierung sowie synchronring
KR1020087022784A KR101361018B1 (ko) 2006-03-01 2007-02-24 황동 합금 및 싱크로나이저 링
JP2008556695A JP2009528446A (ja) 2006-03-01 2007-02-24 真鍮合金とシンクロナイジング・リング
US12/186,675 US20080283353A1 (en) 2006-03-01 2008-08-06 Brass Alloy and Synchronizing Ring

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006009396.8 2006-03-01
DE102006009396A DE102006009396B4 (de) 2006-03-01 2006-03-01 Messinglegierung sowie Synchronring

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/186,675 Continuation US20080283353A1 (en) 2006-03-01 2008-08-06 Brass Alloy and Synchronizing Ring

Publications (1)

Publication Number Publication Date
WO2007101571A1 true WO2007101571A1 (fr) 2007-09-13

Family

ID=38007305

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/001614 WO2007101571A1 (fr) 2006-03-01 2007-02-24 Alliage de laiton et bague de synchronisation

Country Status (10)

Country Link
US (1) US20080283353A1 (fr)
EP (1) EP1989337B1 (fr)
JP (1) JP2009528446A (fr)
KR (1) KR101361018B1 (fr)
CN (1) CN101389776A (fr)
AT (1) ATE516378T1 (fr)
BR (1) BRPI0708372A2 (fr)
DE (1) DE102006009396B4 (fr)
ES (1) ES2366818T3 (fr)
WO (1) WO2007101571A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009015811C5 (de) * 2009-04-01 2019-09-19 Diehl Metall Stiftung & Co. Kg Synchronring
US8097208B2 (en) * 2009-08-12 2012-01-17 G&W Electric Company White copper-base alloy
US9113634B1 (en) 2012-04-01 2015-08-25 Modular Services Company Panel assembly with interstitial copper
WO2015118924A1 (fr) * 2014-02-10 2015-08-13 日産自動車株式会社 Mécanisme coulissant
KR102381852B1 (ko) 2015-06-09 2022-04-05 한국재료연구원 내마모형 고력황동 및 이의 제조방법
DE102015013201B4 (de) * 2015-10-09 2018-03-29 Diehl Metall Stiftung & Co. Kg Verwendung einer nickelfeie weiße CuZn-Legierung
CN105483426B (zh) * 2015-12-30 2017-08-25 界首市飞航铜业有限公司 一种插座用耐磨合金
EP3252334B1 (fr) * 2016-06-01 2019-07-24 Oerlikon Friction Systems (Germany) GmbH Unité de synchronisation d'une boite manuelle à engrenage
DE102016008928A1 (de) * 2016-07-21 2018-01-25 Wieland-Werke Ag Werkstoff aus einer Kupfer-Zink-Legierung, Verfahren zur Herstellung eines solchen Werkstoffs und Gleitelement aus einem solchen Werkstoff
DE102016008986A1 (de) 2016-07-22 2018-01-25 Diehl Metall Stiftung & Co. Kg Synchronring
CN114672690B (zh) * 2022-03-16 2023-02-24 宁波金田铜业(集团)股份有限公司 一种易镀色黄铜及其制备方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1194153B (de) * 1958-10-18 1965-06-03 Dr Eugen Vaders Verwendung einer Kupfer-Mangan-Zink-Legie-rung als Werkstoff fuer einer Gleitbeanspruchung ausgesetzten Maschinenteile
GB2049727A (en) * 1979-05-15 1980-12-31 Diehl Gmbh & Co A Copper/Zinc Alloy and use Thereof
DE3626435A1 (de) * 1986-08-05 1988-03-10 Diehl Gmbh & Co Kupfer-zink-legierung
DE3805794A1 (de) * 1987-02-24 1988-09-01 Mitsubishi Metal Corp Verschleissfeste kupferlegierung und aus dieser kupferlegierung bestehender synchronring fuer einen geschwindigkeitsregler
JPS63238257A (ja) * 1987-03-25 1988-10-04 Mitsubishi Metal Corp Ｃｕ系合金製変速機用同期リング
WO2005054526A1 (fr) * 2003-12-02 2005-06-16 Mitsubishi Materials Corporation Bague de synchroniseur constituee d'un alliage de cuivre presentant une excellente resistance a l'ecoulement plastique dans des conditions exothermiques elevees
EP1712648A2 (fr) * 2005-04-16 2006-10-18 Diehl Metall Stiftung & Co. KG Alliage cuivre-zinc et utilisation d'un tel alliage

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE753251C (de) * 1939-01-08 1952-05-19 Georg Buehler Gleitlagerstoff aus knetverformten Messingen
JPS5125714B1 (fr) * 1966-05-16 1976-08-02
GB1327260A (en) * 1970-02-09 1973-08-22 Olin Corp Copper base alloys
US3773504A (en) * 1970-12-28 1973-11-20 I Niimi Copper base alloy having wear resistance at high temperatures
DE3735783C1 (de) * 1987-10-22 1989-06-15 Diehl Gmbh & Co Verwendung einer Kupfer-Zink-Legierung
JPH1030137A (ja) * 1996-07-15 1998-02-03 Daido Metal Co Ltd 銅系摺動部材

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1194153B (de) * 1958-10-18 1965-06-03 Dr Eugen Vaders Verwendung einer Kupfer-Mangan-Zink-Legie-rung als Werkstoff fuer einer Gleitbeanspruchung ausgesetzten Maschinenteile
GB2049727A (en) * 1979-05-15 1980-12-31 Diehl Gmbh & Co A Copper/Zinc Alloy and use Thereof
DE3626435A1 (de) * 1986-08-05 1988-03-10 Diehl Gmbh & Co Kupfer-zink-legierung
DE3805794A1 (de) * 1987-02-24 1988-09-01 Mitsubishi Metal Corp Verschleissfeste kupferlegierung und aus dieser kupferlegierung bestehender synchronring fuer einen geschwindigkeitsregler
JPS63238257A (ja) * 1987-03-25 1988-10-04 Mitsubishi Metal Corp Ｃｕ系合金製変速機用同期リング
WO2005054526A1 (fr) * 2003-12-02 2005-06-16 Mitsubishi Materials Corporation Bague de synchroniseur constituee d'un alliage de cuivre presentant une excellente resistance a l'ecoulement plastique dans des conditions exothermiques elevees
EP1712648A2 (fr) * 2005-04-16 2006-10-18 Diehl Metall Stiftung & Co. KG Alliage cuivre-zinc et utilisation d'un tel alliage

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ANONYM: "Diehl 470, Diehl 474, Messing mit Hochleistungseigenschaften", 2005, XP002433869, Retrieved from the Internet <URL:www.diehlmetall-messing.de/uploads/tx-clfiles/Diehl_470_HT_Diehl_474_HT.pdf> [retrieved on 20070515] *
WAHEED A ET AL: "MICROSTRUCTURE AND WEAR OF SOME HIGH-TENSILE BRASSES", JOURNAL OF MATERIALS SCIENCE, SPRINGER / BUSINESS MEDIA, DORDRECHT, NL, vol. 29, no. 6, 15 March 1994 (1994-03-15), pages 1692 - 1699, XP000433027, ISSN: 0022-2461 *

Also Published As

Publication number Publication date
DE102006009396B4 (de) 2012-08-16
EP1989337A1 (fr) 2008-11-12
KR101361018B1 (ko) 2014-02-21
US20080283353A1 (en) 2008-11-20
ES2366818T3 (es) 2011-10-25
BRPI0708372A2 (pt) 2011-05-31
KR20080097469A (ko) 2008-11-05
EP1989337B1 (fr) 2011-07-13
ATE516378T1 (de) 2011-07-15
CN101389776A (zh) 2009-03-18
JP2009528446A (ja) 2009-08-06
DE102006009396A1 (de) 2007-09-13

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